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kernel: invalid read location in vgacon_invert_region function in drivers/video/console/vgacon.c

🗓️ 05 Apr 2022 15:11:04Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 7 Views

Flaw in Linux VGA console invert region code causes out-of-bounds read during resize, leaking data.

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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8.2x86_64kernel-rt4.18.0-193.80.1.rt13.130.el8_2kernel-rt-4.18.0-193.80.1.rt13.130.el8_2.x86_64.rpm
Red Hat Enterprise Linux8.2x86_64kernel-rt-core4.18.0-193.80.1.rt13.130.el8_2kernel-rt-core-4.18.0-193.80.1.rt13.130.el8_2.x86_64.rpm
Red Hat Enterprise Linux8.2x86_64kernel-rt-debug4.18.0-193.80.1.rt13.130.el8_2kernel-rt-debug-4.18.0-193.80.1.rt13.130.el8_2.x86_64.rpm
Red Hat Enterprise Linux8.2x86_64kernel-rt-debug-core4.18.0-193.80.1.rt13.130.el8_2kernel-rt-debug-core-4.18.0-193.80.1.rt13.130.el8_2.x86_64.rpm
Red Hat Enterprise Linux8.2x86_64kernel-rt-debug-debuginfo4.18.0-193.80.1.rt13.130.el8_2kernel-rt-debug-debuginfo-4.18.0-193.80.1.rt13.130.el8_2.x86_64.rpm
Red Hat Enterprise Linux8.2x86_64kernel-rt-debug-devel4.18.0-193.80.1.rt13.130.el8_2kernel-rt-debug-devel-4.18.0-193.80.1.rt13.130.el8_2.x86_64.rpm
Red Hat Enterprise Linux8.2x86_64kernel-rt-debug-kvm4.18.0-193.80.1.rt13.130.el8_2kernel-rt-debug-kvm-4.18.0-193.80.1.rt13.130.el8_2.x86_64.rpm
Red Hat Enterprise Linux8.2x86_64kernel-rt-debug-modules4.18.0-193.80.1.rt13.130.el8_2kernel-rt-debug-modules-4.18.0-193.80.1.rt13.130.el8_2.x86_64.rpm
Red Hat Enterprise Linux8.2x86_64kernel-rt-debug-modules-extra4.18.0-193.80.1.rt13.130.el8_2kernel-rt-debug-modules-extra-4.18.0-193.80.1.rt13.130.el8_2.x86_64.rpm
Red Hat Enterprise Linux8.2x86_64kernel-rt-debuginfo4.18.0-193.80.1.rt13.130.el8_2kernel-rt-debuginfo-4.18.0-193.80.1.rt13.130.el8_2.x86_64.rpm
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28 Jun 2026 12:36Current
6.9Medium risk
Vulners AI Score6.9
CVSS 23.6
CVSS 3.15.9
EPSS0.00488
7